Adrian,
commit 30c08574da0ead1a47797ce028218ce5b2de61c7 can not introduce use-after-free.
Please check...
Regards,
Alex.
Adrian Bunk wrote:
> This patch fixes a use-after-free introduced by
> commit 30c08574da0ead1a47797ce028218ce5b2de61c7.
>
> Spotted by the Coverity checker.
>
> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
>
> ---
> --- linux-2.6/drivers/acpi/ec.c.old 2007-10-23 19:39:47.000000000 +0200
> +++ linux-2.6/drivers/acpi/ec.c 2007-10-23 19:34:55.000000000 +0200
> @@ -434,11 +442,11 @@
> EXPORT_SYMBOL_GPL(acpi_ec_add_query_handler);
>
> void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit)
> {
> - struct acpi_ec_query_handler *handler;
> + struct acpi_ec_query_handler *handler, *tmp;
> mutex_lock(&ec->lock);
> - list_for_each_entry(handler, &ec->list, node) {
> + list_for_each_entry_safe(handler, tmp, &ec->list, node) {
> if (query_bit == handler->query_bit) {
> list_del(&handler->node);
> kfree(handler);
> }
>
> -
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